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Finding the Fourth Proportional to 79,300.05, 118,974.76 and 25,992.50

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Solution

The fourth proportional to 79,300.05, 118,974.76 and 25,992.50 is: 38,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,300.05 : 118,974.76 = 25,992.50 : x
  2. Step 2: Convert to fraction form
    79,300.05/118,974.76 = 25,992.50/x
  3. Step 3: Cross multiply
    79,300.05x = 118,974.76 × 25,992.50
  4. Step 4: Simplify right side
    79,300.05x = 3,092,451,449.30
  5. Step 5: Solve for x
    x = 3,092,451,449.30/79,300.05
  6. Step 6: Final answer
    x = 38,996.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.